feat: split capability retrieval from initialize #557

Job	Run time
Cargo Machete	1m 1s
pre-commit	2m 50s
determine changes	6s
build binary \| linux x86_64	2m 1s
build binary \| macos aarch64	3m 0s
build binary \| macos x86_64	0s
build binary \| windows aarch64	4m 19s
build binary \| windows x86_64	3m 48s
cargo test \| ubuntu	4m 25s
cargo test \| macos aarch64	3m 47s
cargo test \| macos x86_64	0s
cargo test \| windows	7m 1s
cargo rustdoc \| ubuntu	1m 10s
cargo clippy \| ubuntu	42s
cargo fmt \| ubuntu	15s
Pytest \| linux x86_64	57s
Integration tests \| linux x86_64	0s
Downstream tests \| linux x86_64	0s
Wheel Tests \| linux x86_64 / Test Installation of Common Wheels \| linux-x86_64	1m 40s
Pytest \| macos aarch64	1m 23s
Downstream tests \| macos aarch64	0s
Integration tests \| macos aarch64	0s
Wheel Tests \| macos aarch64 / Test Installation of Common Wheels \| macos-aarch64	1m 17s
Pytest \| windows x86_64	5m 30s
Integration tests \| windows x86_64	0s
Downstream tests \| windows x86_64	0s
Wheel Tests \| windows x86_64 / Test Installation of Common Wheels \| windows-x86_64	3m 46s
	48m 58s

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